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參數(shù)資料
| 型號： | PQ60012EGL25NNS-G |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 20 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, EIGHTH-BRICK PACKAGE-8 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 534K |
| 代理商： | PQ60012EGL25NNS-G |
Product # PQ60012EGL25
Phone 1-888-567-9596
Doc.# 005-2EG621D Rev. C
1/22/08
Page 11
Input:
Output:
Current:
PPackage:
ackage:
35-75 V
1.2 V
25 A
Eighth-brick
T
Technical S
echnical Specification
pecification
APPLICATION CONSIDERATIONS
Input System Instability: This condition can occur because
any DC/DC converter appears incrementally as a negative
resistance load. A detailed application note titled “Input
System Instability” is available on the SynQor website which
provides an understanding of why this instability arises, and
shows the preferred solution for correcting it.
Application Circuits: Figure D provides a typical circuit dia-
gram which details the input filtering and voltage trimming.
Input Filtering and External Capacitance: Figure E pro-
vides a diagram showing the internal input filter components.
This filter dramatically reduces input terminal ripple current,
which otherwise could exceed the rating of an external elec-
trolytic input capacitor. The recommended external input capac-
itance is specified in the “Input Characteristics” section. More
detailed information is available in the application note titled
“EMI Characteristics” on the SynQor website.
Vin
External
Input
Filter
Trim
Vin(+)
Iload
Cload
L
C
Vout(+)
Rtrim-up
or
Rtrim-down
Vsense(+)
ON/OFF
Vin(_)
Vin(+)
Vin(_)
Vout(_)
Vsense(_)
Figure D: Typical application circuit (negative logic unit, permanently enabled).
Figure E: Internal Input Filter Diagram (component values listed on the specifications page).
Electrolytic
Capacitor
47F
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